Home / 205,562.07-308,202.79-109,513.65

Finding the Fourth Proportional to 205,562.07, 308,202.79 and 109,513.65

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Solution

The fourth proportional to 205,562.07, 308,202.79 and 109,513.65 is: 164,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,562.07 : 308,202.79 = 109,513.65 : x
  2. Step 2: Convert to fraction form
    205,562.07/308,202.79 = 109,513.65/x
  3. Step 3: Cross multiply
    205,562.07x = 308,202.79 × 109,513.65
  4. Step 4: Simplify right side
    205,562.07x = 33,752,412,473.08
  5. Step 5: Solve for x
    x = 33,752,412,473.08/205,562.07
  6. Step 6: Final answer
    x = 164,195.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.